/Engine/Source/Runtime/ClothingSystemRuntimeCommon/Public/ClothingAsset.h
Rebuilds theUsedBoneIndices_ array from looking up the entries in theUsedBoneNames_ array, in the `InSkelMesh's_ reference skeleton.
virtual void RefreshBoneMapping ( [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * InSkelMesh )